package com.xujinchen.struct;

public class TestDemo {
    public static void main(String[] args) {
        //打印三角形

        for (int i =1;i<=5;i++){
            for (int j =5;j>=i;j--){
                System.out.print(" ");
            }
            for (int j = 1;j<i;j++){
                System.out.print("*");
            }


            for (int j=1;j<=i;j++){
                System.out.print("*");
            }
            System.out.println();

        }
    }
}
